Finding the Fourth Proportional to 1,488,944.91, 2,232,328.50 and 477,491.12
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Solution
The fourth proportional to 1,488,944.91, 2,232,328.50 and 477,491.12 is: 715,887.48
Step by Step Solution
- Step 1: Write the proportion equation
1,488,944.91 : 2,232,328.50 = 477,491.12 : x - Step 2: Convert to fraction form
1,488,944.91/2,232,328.50 = 477,491.12/x - Step 3: Cross multiply
1,488,944.91x = 2,232,328.50 × 477,491.12 - Step 4: Simplify right side
1,488,944.91x = 1,065,917,024,511.28 - Step 5: Solve for x
x = 1,065,917,024,511.28/1,488,944.91 - Step 6: Final answer
x = 715,887.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.